feat: more meta improvements

crates/ltk_meta/src/lib.rs

@@ -27,13 +27,13 @@ for (path_hash, object) in &tree.objects {
 
 ```
 use ltk_meta::{Bin, BinObject};
-use ltk_meta::property::values;
+use ltk_meta::property::{values, NoMeta};
 
 // Using the builder pattern
 let tree = Bin::builder()
     .dependency("common.bin")
     .object(
-        BinObject::builder(0x12345678, 0xABCDEF00)
+        BinObject::<NoMeta>::builder(0x12345678, 0xABCDEF00)
             .property(0x1111, values::I32::new(42))
             .property(0x2222, values::String::from("hello"))
             .build()
@@ -70,7 +70,7 @@ tree.to_writer(&mut output)?;
 ```
 */
 pub mod property;
-pub use property::{BinProperty, Kind as PropertyKind, PropertyValueEnum};
+pub use property::{Kind as PropertyKind, PropertyValueEnum};
 
 mod tree;
 pub use tree::*;

crates/ltk_meta/src/property.rs

@@ -6,50 +6,8 @@ pub use kind::*;
 mod r#enum;
 pub use r#enum::*;
 
-use super::traits::{ReaderExt as _, WriterExt as _};
 use super::Error;
-use byteorder::{ReadBytesExt as _, WriteBytesExt as _, LE};
-use std::io;
-
-use crate::traits::PropertyExt;
 
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 #[derive(Clone, Copy, Default, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct NoMeta;
-
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
-#[derive(Clone, PartialEq, Debug)]
-pub struct BinProperty {
-    pub name_hash: u32,
-    #[cfg_attr(feature = "serde", serde(flatten))]
-    pub value: PropertyValueEnum,
-}
-
-impl BinProperty {
-    /// Read a BinProperty from a reader. This will read the name_hash, prop kind and then value, in that order.
-    pub fn from_reader<R: io::Read + std::io::Seek + ?Sized>(
-        reader: &mut R,
-        legacy: bool,
-    ) -> Result<Self, Error> {
-        let name_hash = reader.read_u32::<LE>()?;
-        let kind = reader.read_property_kind(legacy)?;
-
-        Ok(Self {
-            name_hash,
-            value: PropertyValueEnum::from_reader(reader, kind, legacy)?,
-        })
-    }
-    pub fn to_writer<W: io::Write + std::io::Seek + ?Sized>(
-        &self,
-        writer: &mut W,
-    ) -> Result<(), io::Error> {
-        writer.write_u32::<LE>(self.name_hash)?;
-        writer.write_property_kind(self.value.kind())?;
-
-        self.value.to_writer(writer)?;
-        Ok(())
-    }
-    pub fn size(&self) -> usize {
-        5 + self.value.size_no_header()
-    }
-}

crates/ltk_meta/src/property/enum.rs

@@ -1,8 +1,6 @@
-use enum_dispatch::enum_dispatch;
-
 use crate::{
     property::{Kind, NoMeta},
-    traits::{ReadProperty as _, WriteProperty as _},
+    traits::{PropertyExt, ReadProperty as _, WriteProperty as _},
     Error,
 };
 use std::io;
@@ -50,10 +48,9 @@ macro_rules! create_enum {
         )]
         #[cfg_attr(feature = "serde", serde(tag = "kind", content = "value"))]
         #[derive(Clone, Debug, PartialEq)]
-        #[enum_dispatch(PropertyExt)]
         /// The value part of a [`super::BinProperty`]. Holds the type of the value, and the value itself.
         pub enum PropertyValueEnum<M = NoMeta> {
-            $( $variant (pub self::$variant<M>), )*
+            $( $variant (self::$variant<M>), )*
         }
 
 
@@ -81,13 +78,56 @@ macro_rules! create_enum {
             }
         }
         impl<M> PropertyValueEnum<M> {
+            #[inline(always)]
             #[must_use]
             pub fn kind(&self) -> Kind {
                 match self {
                     $(Self::$variant(_) => Kind::$variant,)*
                 }
             }
+
+            #[inline(always)]
+            #[must_use]
+            pub fn no_meta(self) -> PropertyValueEnum<NoMeta> {
+                 match self {
+                     $(Self::$variant(i) => PropertyValueEnum::$variant(i.no_meta()),)*
+                 }
+            }
+
         }
+
+        impl<M> PropertyExt for PropertyValueEnum<M> {
+            type Meta = M;
+            fn meta(&self) -> &Self::Meta {
+                 match self {
+                     $(Self::$variant(i) => i.meta(),)*
+                 }
+            }
+            fn meta_mut(&mut self) -> &mut Self::Meta {
+                 match self {
+                     $(Self::$variant(i) => i.meta_mut(),)*
+                 }
+            }
+
+            fn size(&self, include_header: bool) -> usize {
+                 match self {
+                     $(Self::$variant(i) => i.size(include_header),)*
+                 }
+            }
+            fn size_no_header(&self) -> usize {
+                 match self {
+                     $(Self::$variant(i) => i.size_no_header(),)*
+                 }
+            }
+        }
+
+        $(
+            impl<M> From<values::$variant<M>> for PropertyValueEnum<M> {
+                fn from(other: values::$variant<M>) -> Self {
+                    Self::$variant(other)
+                }
+            }
+        )*
     };
 }
 

crates/ltk_meta/src/property/values/container.rs

@@ -42,6 +42,22 @@ macro_rules! define_container_enum {
                     })*
                 }
             }
+
+            type Meta = M;
+            fn meta(&self) -> &Self::Meta {
+                match &self {
+                    $(Self::$variant{meta,..} => {
+                        meta
+                    })*
+                }
+            }
+            fn meta_mut(&mut self) -> &mut Self::Meta {
+                match self {
+                    $(Self::$variant{meta,..} => {
+                        meta
+                    })*
+                }
+            }
         }
 
         $(
@@ -108,6 +124,48 @@ macro_rules! define_container_enum {
         }
 
         impl<M> Container<M> {
+            #[inline(always)]
+            pub fn empty(item_kind: Kind) -> Result<Self, Error>
+            where
+                M: Default
+            {
+                match item_kind {
+                    $(Kind::$variant => Ok(Self::$variant {
+                        items: vec![],
+                        meta: M::default(),
+                    }),)*
+                    kind => Err(Error::InvalidNesting(kind)),
+
+                }
+            }
+
+            #[inline(always)]
+            #[must_use]
+            pub fn no_meta(self) -> Container<NoMeta> {
+                match self {
+                    $(Self::$variant{items,..} => {
+                        Container::$variant {
+                            items: items.into_iter().map(|i| i.no_meta()).collect(),
+                            meta: NoMeta
+                        }
+                    })*
+                }
+            }
+
+            pub fn push(&mut self, value: PropertyValueEnum<M>) -> Result<(), Error>{
+                let got = value.kind();
+                let expected = self.item_kind();
+                match (self, value) {
+                    $((Self::$variant{items,..}, PropertyValueEnum::$variant(item)) => {
+                        items.push(item);
+                        Ok(())
+                    })*
+                    _ => {
+                        Err(Error::MismatchedContainerTypes { got, expected })
+                    }
+                }
+            }
+
             /// Iterator that returns each item as a [`PropertyValueEnum`] for convenience.
             #[inline(always)]
             #[must_use]
@@ -149,7 +207,7 @@ impl<M> Container<M> {
         Self::from(items)
     }
 
-    pub fn empty<T>() -> Self
+    pub fn empty_const<T>() -> Self
     where
         Self: From<Vec<T>>,
     {

crates/ltk_meta/src/property/values/container/iter.rs

@@ -6,7 +6,7 @@ use crate::{
 
 pub struct ItemsDyn<'a, M>(ItemsDynInner<'a, M>);
 impl<'a, M> Iterator for ItemsDyn<'a, M> {
-    type Item = &'a dyn PropertyValueDyn;
+    type Item = &'a dyn PropertyValueDyn<Meta = M>;
 
     fn next(&mut self) -> Option<Self::Item> {
         self.0.next()
@@ -39,7 +39,7 @@ macro_rules! define_dyn_iter {
         }
 
         impl<'a, M> Iterator for ItemsDynInner<'a, M> {
-            type Item = &'a dyn PropertyValueDyn;
+            type Item = &'a dyn PropertyValueDyn<Meta = M>;
 
             fn next(&mut self) -> Option<Self::Item> {
                 match self {

crates/ltk_meta/src/property/values/container/variants.rs

@@ -23,42 +23,42 @@ macro_rules! container_variants {
     };
 }
 
-macro_rules! match_property {
-    ($value:expr, $on:ident, $inner:pat => $body:expr, $def:pat => $def_body: expr) => {
-        container_variants!(match_property_arms, ($value, $on, $inner => $body, $def => $def_body))
-    };
-    ($value:expr, $on:ident, $inner:pat => $body:expr) => {
-        container_variants!(match_property_arms, ($value, $on, $inner => $body))
-    };
-
-    ($value:expr, $inner:pat => $body:expr, $def:pat => $def_body: expr) => {
-        container_variants!(match_property_arms, ($value, Self, $inner => $body, $def => $def_body))
-    };
-    ($value:expr, $inner:pat => $body:expr) => {
-        container_variants!(match_property_arms, ($value, Self, $inner => $body))
-    };
-}
-
-macro_rules! match_property_arms {
-    (($value:expr, $on:ident, $inner:pat => $body:expr, $def:pat => $def_body: expr)
-     [$( $variant:ident, )*]) => {
-        match $value {
-            $(
-                $on::$variant($inner) => $body,
-            )*
-            $def => $def_body
-        }
-    };
-
-    (($value:expr, $on:ident, $inner:pat => $body:expr)
-     [$( $variant:ident, )*]) => {
-        match $value {
-            $(
-                $on::$variant($inner) => $body,
-            )*
-        }
-    };
-}
+// macro_rules! match_property {
+//     ($value:expr, $on:ident, $inner:pat => $body:expr, $def:pat => $def_body: expr) => {
+//         container_variants!(match_property_arms, ($value, $on, $inner => $body, $def => $def_body))
+//     };
+//     ($value:expr, $on:ident, $inner:pat => $body:expr) => {
+//         container_variants!(match_property_arms, ($value, $on, $inner => $body))
+//     };
+//
+//     ($value:expr, $inner:pat => $body:expr, $def:pat => $def_body: expr) => {
+//         container_variants!(match_property_arms, ($value, Self, $inner => $body, $def => $def_body))
+//     };
+//     ($value:expr, $inner:pat => $body:expr) => {
+//         container_variants!(match_property_arms, ($value, Self, $inner => $body))
+//     };
+// }
+//
+// macro_rules! match_property_arms {
+//     (($value:expr, $on:ident, $inner:pat => $body:expr, $def:pat => $def_body: expr)
+//      [$( $variant:ident, )*]) => {
+//         match $value {
+//             $(
+//                 $on::$variant($inner) => $body,
+//             )*
+//             $def => $def_body
+//         }
+//     };
+//
+//     (($value:expr, $on:ident, $inner:pat => $body:expr)
+//      [$( $variant:ident, )*]) => {
+//         match $value {
+//             $(
+//                 $on::$variant($inner) => $body,
+//             )*
+//         }
+//     };
+// }
 
 // macro_rules! match_enum_inner {
 //     (($value:expr, $on:ident, ||, $body:expr)

crates/ltk_meta/src/property/values/embedded.rs

@@ -13,6 +13,14 @@ use super::Struct;
 #[derive(Clone, PartialEq, Debug, Default)]
 pub struct Embedded<M = NoMeta>(pub Struct<M>);
 
+impl<M> Embedded<M> {
+    #[inline(always)]
+    #[must_use]
+    pub fn no_meta(self) -> Embedded<NoMeta> {
+        Embedded(self.0.no_meta())
+    }
+}
+
 impl<M> PropertyValueExt for Embedded<M> {
     const KIND: Kind = Kind::Embedded;
 }
@@ -21,6 +29,13 @@ impl<M> PropertyExt for Embedded<M> {
     fn size_no_header(&self) -> usize {
         self.0.size_no_header()
     }
+    type Meta = M;
+    fn meta(&self) -> &Self::Meta {
+        self.0.meta()
+    }
+    fn meta_mut(&mut self) -> &mut Self::Meta {
+        self.0.meta_mut()
+    }
 }
 
 impl<M: Default> ReadProperty for Embedded<M> {
@@ -31,7 +46,7 @@ impl<M: Default> ReadProperty for Embedded<M> {
         Struct::<M>::from_reader(reader, legacy).map(Self)
     }
 }
-impl<M> WriteProperty for Embedded<M> {
+impl<M: Clone> WriteProperty for Embedded<M> {
     fn to_writer<R: std::io::Write + std::io::Seek + ?Sized>(
         &self,
         writer: &mut R,